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Did you know it can take a larger cooling tower to perform the same amount of cooling when it’s cold outside than when it’s hot?
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Has your state adopted ASHRAE 90.1-2010 or beyond into its commercial building code? If so, then it is highly likely that you should be incorporating either waterside or airside economizing into your cooling design. The Standard has effectively made air or waterside economizing a requirement in virtually every…
Read MoreCooling towers cost money. Cooling towers save money. In between those two statements lies a host of variables that must be evaluated in order for the engineer to make an informed decision on behalf of…
Read MoreBy Chad Edmondson
“What type of heat exchanger is best for my waterside economizer application?”
It’s a question we get asked a lot. With the increased requirement for either an air or waterside economizing in ASHRAE 90.1 – 2010, we expect to get asked even more – especially since the DOE expects states to adopt the revised standard into their non-residential building codes by as early as next month.
U-Factor Versus Real-World-Factor
Conventional engineering logic has always leaned toward plate and frame technology for waterside
By Chris Edmondson
Gone are the days of optional air or waterside economizing. Gone also are the days of waterside economizers piped in parallel. In other words, the “either/or” operation of the chillers and economizers that we’re all accustomed to will soon be a thing of the past.
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